20.74% is the change from 810 to 978
Calculation steps:
[( 978 - 810 ) ÷ 810] x 100 = 20.74%
Formula
Percentage change = [(978 - 810) / 810] x 100
Subtract the new number by the original number
978 - 810 = 168
168 ÷ 810 = 0.2074074074074074
0.2074074074074074 x 100 = 20.74%